19 lines
397 B
BNF
19 lines
397 B
BNF
MOD ::= EXPR*
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EXPR ::=
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| ASSERT
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| OR
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ASSERT ::= assert EXPR
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OR ::= AND (or AND)*
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AND ::= EQNE (and EQNE)*
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EQNE ::=
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| CMP
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| CMP eq CMP
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| CMP ne CMP
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CMP ::= TERM ((lt | le | ge | gt) TERM)?
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TERM ::= FACTOR ((add | sub) FACTOR)*
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FACTOR ::= POWER ((mul | div | mod) POWER)*
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POWER ::= UNARY (pow UNARY)?
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UNARY ::= sub? GROUP | not? GROUP
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GROUP ::= BUILTIN | opar EXPR cpar
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BUILTIN ::= num | bool | str
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